The main object of applying distemper to the plastered surfaces is to create a smooth surface. The distempers are available in the market under different trade names. They are cheaper than paints and varnishes and they present a neat appearance. They are available in a variety of colours.
Properties of distempers
Following are the properties of distempers:
(i) On drying, the film of distemper shrinks. Hence it leads to cracking and talking, if the surface to receive distemper is weak.
(ii) The coatings of distemper are usually thick and they are more brittle than other types of water paints.
(iii) The film developed by distemper is porous in character and it allows water vapour to pass through it. Hence it permits new walls to dry out without damaging the distemper film.
(iv) They are generally in colour and they provide a good reflective coating.
(v) They are less durable than oil paints.
(vi) They are treated as water paints and they are easy to apply.
(vii) They can be applied on brickwork, cement plastered surface, lime plastered surface, insulating boards, etc.
(viii) They exhibit poor workability.
(ix) They prove to be unsatisfactory in damp locations such as kitchen, bathroom, etc.
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